6 SEQUENCE INSTRUCTIONS
6.4 Shift Instructions
145
6
Shifting n-bit data to the right by 1 bit
BSFR(P)
These instructions shift (n) point(s) of data to the right by 1 bit from the device specified by (d).
Setting data
■
Descriptions, ranges, and data types
■
Applicable devices
*1 T, ST, C cannot be used.
Processing details
• These instructions shift (n) point(s) of data to the right by 1 bit from the device specified by (d).
• The value of the device specified by (d) + (n-1) becomes 0.
■
Related devices
Operation error
Ladder diagram
Structured text
ENO:=BSFR(EN,n,d);
ENO:=BSFRP(EN,n,d);
FBD/LD
Operand
Remarks
Range
Data type
Data type (label)
(d)
Head device number to be shifted
Bit
ANY_BOOL
(n)
Number of devices to be shifted
0 to 65535
16-bit unsigned binary
ANY16
EN
Execution condition
Bit
BOOL
ENO
Execution result
Bit
BOOL
Operand
Bit
Word
Double word Indirect
specification
Constant
Others
X, Y, M, L, SM,
F, B, SB, S
T, ST, C, D, W,
SD, SW, R
U
\G
Z
LC
LZ
K, H
E
$
(d)
(n)
Device
Name
Remarks
SM700
Carry
ON/OFF according to the status (1/0) of the (d) bit.
Error code
(SD0/SD8067)
Remarks
2820H
The (n) points of data starting from the device specified by (d) exceed in the corresponding device.
(d)
(n)
EN
ENO
d
n
0
1
1
0
1
1
0
0
1
1
0
1
1
(n)
(d)+2
(d)+1
(d)
(d)+1
(d)
(d)+(n-1)
(d)+(n-2) (d)+(n-3)
(d)+(n-1) (d)+(n-2)
(d)+(n-3)
(d)+2
···
···
(SM700)
0
Содержание MELSEC iQ-F FX5
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Страница 25: ...23 PART 1 PART 1 OVERVIEW Part 1 consists of the following chapter 1 OVERVIEW 2 PRECAUTIONS ON PROGRAMMING ...
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Страница 278: ...276 7 BASIC INSTRUCTIONS 7 4 Bit Processing Instructions Operation error There is no operation error ...
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Страница 917: ...18 TYPE CONVERSION FUNCTIONS 18 14 Converting DWORD to INT 915 18 Operation error There is no operation error ...
Страница 932: ...930 18 TYPE CONVERSION FUNCTIONS 18 26 Converting DINT to WORD Operation error There is no operation error ...
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